BHP+60 hp (18%)
Standard
340 hp
Tuned
400 hp
Torque+100 Nm (14%)
Standard
700 Nm
Tuned
800 Nm
Suitability
Moderate (5/10)Gains Profile
BalancedHeadroom
MediumBMW X3 xDrive M40d 340hp ECU Remapping
Considering an ECU remap for your BMW X3 xDrive M40d 340hp? A Stage 1 remap can take this G01/08 - 2017 - 2020 diesel mhev engine from 340 BHP to 400 BHP and from 700 Nm to 800 Nm of torque (naturally aspirated). This engine scores 5/10 for remap suitability. Get a free personalised quote from a trusted remap professional and find out exactly what your BMW X3 can achieve.
How this engine compares
- 12thof 41 BMW X3 engines by power gain
- 86%of the 9,842 engines we hold gain data for see a smaller power increase
- 79%of engines with torque data see a smaller torque increase
Comparisons are calculated from our own recorded Stage 1 figures.
Assessment
The BMW X3 xDrive M40d 340hp is a 3.0L naturally aspirated diesel mhev engine producing 340 BHP and 700 Nm from the factory. With a typical Stage 1 remap, output increases to approximately 400 BHP and 800 Nm — a gain of around 60 BHP (18%) and 100 Nm (14%).
This engine has limited remap suitability, with a balanced spread of gains across both power and torque — providing a noticeable improvement across the rev range. The tuning headroom is classified as moderate, based on the percentage gain available from the factory output.
From a technical perspective, the transmission is many variants use zf 8-speed automatic (where fitted); manuals also exist. at this torque level, transmission and driveline servicing history becomes especially important..
Considerations: Naturally aspirated engine: gains are usually limited; results vary widely.. Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.. High tuned torque: check transmission torque capacity and service history.
All figures shown are typical estimates based on aggregated Stage 1 data for this engine variant. Actual results depend on vehicle condition, mileage, and the chosen tuning method. We recommend discussing your specific vehicle with a qualified remap professional.
Considerations
!Naturally aspirated engine: gains are usually limited; results vary widely.
!Unusually high gain for NA engine: treat as an estimate and verify against the exact engine variant.